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SW—N218 <br />CONTENTS: RESULTS OF MONTHLY FIELD TESTS and QUARTERLY TESTING, <br />FLOW RATE CALCULATIONS, and FLOW RATE HYDROGRAPH <br />Monthly Field Tests <br />Quarterly Tests <br />Surface Water Quality Parameters <br />SITE: SW -N218 <br />N 1613452 E 2091369 <br />LOCATION SAN MIGUEL RIVER STARTED SAMPLING MARCH OF 2012 <br />BELOW COAL CANYON <br />Date of Collection 14 -Aug -16 15-Nov16 29 -Dec -16 31 -Jan -17 6 -Feb -17 15 -Mar -17 27 -Apr -17 16 -May -17 26 -Jun -17 17 -Jul -17 22 -Aug -17 19Sep-17 <br />FIELD PARAMETERS <br />PH <br />870 <br />872 Ice <br />Ice 815 <br />813 <br />875 <br />860 <br />848 <br />850 <br />872 <br />854 <br />Water Temperature (deg C) <br />151 <br />90 <br />52 <br />61 <br />11 7 <br />134 <br />188 <br />207 <br />241 <br />146 <br />Conduct"(umhoslcm) <br />756 <br />871 <br />856 <br />508 <br />417 <br />369 <br />318 <br />479 <br />946 <br />1244 <br />Appmximate Instantaneous Flow (cfs) <br />130 <br />85 Ice <br />Ice 108 <br />325 <br />590 <br />950 <br />760 <br />325 <br />85 <br />50 <br />FROM USGS, URAVAN GAGE <br />LABORATORY PARAMETERS <br />Metals Analysis <br />MDUS Units <br />Iron, dissolved (mglL) <br />0 02(B) <br />0 02(B) <br />0 04(B) <br />025 <br />0.02 mqL <br />Iron, total <br />008 <br />02 <br />224 <br />023 <br />002 wt <br />Manganese, total <br />0 033 <br />0 041 <br />0168 <br />0 047 <br />00050 mot <br />Wet Chemistry <br />Acidity as CaCO3 <br />U <br />U <br />U <br />U <br />10 mg'L <br />Conductmty @25C <br />774 <br />740 <br />340 <br />969 <br />1 uml ce= <br />pH (lab) <br />85(H) <br />85(H) <br />84H <br />84(H) <br />01 s <br />Residue, Filterable (TDS)®180 <br />556 <br />540 <br />234 <br />676 <br />10 mgt <br />Residue, Non -Filterable (TSS) <br />U <br />5(B) <br />58 <br />14(B) <br />5 mot <br />1 Negative H = leu tires <br />2 U= not detected ar MDL (Mr— Dete*on Lemo <br />3 H- Exceeded lwld U- <br />4 B =A-" cancenbebon defeded et a value between MDL end PQL <br />M tEMSWew Horizon North\Enwronmentah2 0 CDRMSI2 6 AHR 8 ARRt20171AHRt2017_NHN_AHR <br />